The physics supposedly isn’t secret (even though you don’t know), and there’s a one-paragraph explanation in the newspaper that sounds vaguely authoritative and convincing—essentially, no one treats the lightbulb as a sacred mystery, so neither do you. Even the simplest little things, completely inert objects like crucifixes, can become magical if everyone looks at them like they’re magic. But since you’re theoretically allowed to know why the light bulb works without climbing the mountain to find the remote Monastery of Electricians, there’s no need to actually bother to learn.
